Computer-assisted perimetry in neuro-ophthalmic disease

Area of Science:

• Ophthalmology
• Neuro-ophthalmology
• Medical Technology

Background:

• Standard kinetic visual field testing is the conventional method for assessing visual field defects.
• Neuro-ophthalmic diseases can present with subtle visual field abnormalities.
• Early detection of visual field defects is crucial for timely intervention and management.

Observation:

• A commercially available computer-assisted perimeter was evaluated against standard kinetic field testing.
• The computer-assisted perimeter utilizes static threshold testing.
• Patients with neuro-ophthalmic disease were included in the study.

Findings:

• Static threshold testing identified field defects at stages typically undetectable by standard methods.
• The computer-assisted perimeter demonstrated good standardization and control.
• The system experienced minimal technical issues.

Implications:

• Computer-assisted perimetry offers enhanced sensitivity for detecting early-stage visual field defects.
• This technology can aid in the earlier diagnosis and management of neuro-ophthalmic conditions.
• The system's modularity, with updatable programs via floppy disk, supports ongoing clinical research and development.